SUN HYDRAULICS
DMDADRV548
$232.22 USD
- SUN HYDRAULICS
- Material:DMDADRV548
- Model:DMDA-DRV@548
- Summary:Cartridge
Quantity in stock: 0
***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics DMDADRV548 (DMDADRV548) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve designed for robust hydraulic system applications. This direct-acting, balanced spool directional valve is engineered to operate without minimum hydraulic pressure, making it exceptionally reliable in various operational scenarios. The valve features a fatigue rating of 5000 psi (350 bar), ensuring durability under high-pressure conditions. Equipped with spools B and R, the DMDADRV548 maintains closed transitions between positions to enhance performance limits while sacrificing some capacity. This characteristic is particularly beneficial in pilot control applications where rapid and consistent response times are crucial rather than flow capacity. The manual override options, available with D or L control, incorporate a detent mechanism designed for temporary actuation with a mechanical life expectancy of about 7,000 cycles. For systems utilizing phosphate ester fluids, cartridges configured with EPDM seals are recommended; however, these should not be exposed to petroleum-based fluids as they can degrade the seals. The wet armature design of the valve allows the working fluid to surround the armature which can lead to heat build-up if the coil remains energized for extended periods\u2014this may affect fluid integrity over time. Additionally, this model supports interchangeable coils compatible with other Sun Series 1 solenoid products and features Sun's floating style construction that minimizes internal part binding caused by excessive installation torque or machining variations in cavity/cartridge. With a maximum operating pressure of 5000 psi and a flow capacity of up to 12 gpm (45 L/min), this valve is well-suited for demanding applications requiring precise fluid control and fast response times.
The Sun Hydraulics DMDADRV548 (DMDADRV548) is a high-performance, solenoid-operated 3-way, 2-position cartridge valve designed for robust hydraulic system applications. This direct-acting, balanced spool directional valve is engineered to operate without minimum hydraulic pressure, making it exceptionally reliable in various operational scenarios. The valve features a fatigue rating of 5000 psi (350 bar), ensuring durability under high-pressure conditions. Equipped with spools B and R, the DMDADRV548 maintains closed transitions between positions to enhance performance limits while sacrificing some capacity. This characteristic is particularly beneficial in pilot control applications where rapid and consistent response times are crucial rather than flow capacity. The manual override options, available with D or L control, incorporate a detent mechanism designed for temporary actuation with a mechanical life expectancy of about 7,000 cycles. For systems utilizing phosphate ester fluids, cartridges configured with EPDM seals are recommended; however, these should not be exposed to petroleum-based fluids as they can degrade the seals. The wet armature design of the valve allows the working fluid to surround the armature which can lead to heat build-up if the coil remains energized for extended periods\u2014this may affect fluid integrity over time. Additionally, this model supports interchangeable coils compatible with other Sun Series 1 solenoid products and features Sun's floating style construction that minimizes internal part binding caused by excessive installation torque or machining variations in cavity/cartridge. With a maximum operating pressure of 5000 psi and a flow capacity of up to 12 gpm (45 L/min), this valve is well-suited for demanding applications requiring precise fluid control and fast response times.
This solenoid-operated 3-way, 2-position cartridge is a direct-acting, balanced spool directional valve.
- The solenoid tube assembly is fatigue rated for 5000 psi (350 bar) service.
- Spools B and R are closed in the transition between their two positions. This results in a higher performance limit at the expense of lower capacity. When used as pilot controls, where capacity is not a factor, the closed transition will provide faster and more consistent response times.
- This valve is direct actuated and requires no minimum hydraulic pressure for operation.
- On models equipped with the D or L control, the detent mechanism in the manual override is meant for temporary actuation. The D, L and T manual control assembly has a mechanical life expectancy of approximately 7,000 cycles.
- Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
- This valve utilizes a wet armature design. This means that the working fluid surrounds the armature and is exposed to the heat generated by the coil. This can be a factor if the coil is energized for long periods of time. Some fluids, notably water/glycol mixtures, break down at these temperatures over time and form varnishes that will affect the function of the cartridge.
- Coils are interchangeable with other Sun Series 1 solenoid products and can be mounted on the tube in either direction.
- Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
| Cavity | T-11A |
| Series | 1 |
| Capacity | 12 gpm45 L/min. |
| Maximum Operating Pressure | 5000 psi350 bar |
| Response Time - Typical | 50 ms50 ms |
| Maximum Valve Leakage at 110 SUS (24 cSt) | 5 in³/min.@3000 psi80 cc/min.@210 bar |
| Switching Frequency | 15000 cycles/hr15000 cycles/hr |
| Manual Override Force Requirement | 5 lbs/1000 psi @ Port 133 N/100 bar @ Port 1 |
| Manual Override Stroke | .10 in.2,5 mm |
| Solenoid Tube Diameter | .75 in.19 mm |
| Valve Hex Size | 7/8 in.22,2 mm |
| Valve Installation Torque | 30 - 35 lbf ft41 - 47 Nm |
| Model Weight | .60 lb0,30 kg |
| Seal kit - Cartridge | Viton: 990-411-006 |
| Seal and nut kit - Coil | Viton: 990-770-006Viton: 990-770-006 |
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